Arched gemstone



FIG. 1 is a top plan view of the design.

FIG. 2 is a bottom plan view of the design.

FIG. 3 is a front elevational view of the design.

FIG. 4 is a rear elevational view of the design.

FIG. 5 is a right side elevational view of the design, the left sidebeing a mirror image thereof; and,

FIG. 6 is a left front perspective view of the design.

CLAIM The ornamental design for an arched gemstone, as shown anddescribed.